Titlebook: Antennas and Reaction Centers of Photosynthetic Bacteria; Structure, Interacti Maria Elisabeth Michel-Beyerle Conference proceedings 1985 S

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Verantwortung in der Wissenschaft, calculation of an electron density map. Interpretation of this map led to the construction of atomic models of the prosthetic groups, and of the protein subunits in the RC complex. In this article we briefly summarize results of the X-ray work which have been described in more detail elsewhere (2),

bacteria

Verantwortung in der Wissenschaft,action centers from .) were crystallized /4/ and an X-ray structure analysis yielded the pigment arrangement /5/. From the latter publication we know that the four bacteriochlorophyllb (BC) and the two bacteriopheophytine b (BP) molecules are arranged in two branches (see Fig. 1). They are related p

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Structure of Antenna Polypeptides [1]. The pigments become excited and transfer excitation energy to the special pair of the reaction center [2, 3]. In the antenna complex, which is a multimolecular transport system for delivering excitedstate energy, the polypeptides have a most important function [4]. They are responsible for:

syncope

High-Resolution 1H NMR of Light-Harvesting Chlorophyll-Proteinsinvestigated in D.O by 500 MHz .H NMR, using a DASWEFT pulse sequence [1] to suppress HDO resonances. The results are presented as an illustration of the potential of this method for similar bacterial proteins.

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The Crystal and Molecular Structure of C-Phycocyanin phycocyanins of different bacteria have been determined and compared with each other and with sequences of other phycobilisome components, phycoerythrin and allophycocyanin (2, 3). These show extensive homology indicating common three-dimensional foldings.

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Exciton State and Energy Transfer in Bacterial Membranes: The Role of Pigment-Protein Cyclic Unit Stecific roles if the transfer mechanism is more coherent. The question of the role of these rotationally symmetric structures in the handling of electronic excitation energy is addressed here, in an admittedly somewhat speculative fashion, specifically for the antenna assemblies of purple bacterial membranes.

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Conference proceedings 1985hop focussed on primary processes with emphasis on structure, inter­ actions and dynamics. It assessed structural, spectroscopic and dynamic data which have accumulated recently, providing an overview of the mech­ anism of the acquisition, storage and useful disposal of energy in bacterial photosynt

DAFT

0172-6218 This workshop focussed on primary processes with emphasis on structure, inter­ actions and dynamics. It assessed structural, spectroscopic and dynamic data which have accumulated recently, providing an overview of the mech­ anism of the acquisition, storage and useful disposal of energy in bacterial

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